a) Prove the following identity. (Do not use Examples.) (A+B+C)° = A" +B" +C" b) Is the product of two elementary matrices elementary? Justify your answer.

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A:

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A:

Q: The sum of two times a number and twenty-two?

A: Given :   The sum of two times a number and twenty-two

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A:

Q: How many solutions does the equation 3x-9=7x-4

A: The equation is 3x - 9 = 7x - 4

Q: Solve 3x=14

A:

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A:

Q: Solve Vr + 5+1 = x

A:

Q: Solve  7x - 5 = 8x + 9

A: The equation is given by 7x-5 = 8x+9 To evaluate: The value of x which satisfy the equation.

Q: Solve 2x4+36x > 8x3+6x2

A: Given that the inequality is

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A:

Q: Solve 6x - 5 66x

A: Given: 6x-566x

Q: Kindly answer this as soon as possible and solve only by step-by-step method. And d not write answer…

A: Given, if 2x=3y=5z=301x+1y+1z, To find                   2x+3y+5z30=?

Q: Solve please  | 7 - 6x| >34   X2 - 13x > 48

A: We have to find

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.